Sinking into danger_x000D_
_x000D_
When a sinkhole opens up and swallows one of Bayportu2019s historic statues, Frank and Joe suspect something — or someone — shady is at play. They jump at the chance to investigate: Joe as a member of an urban exploration club and Frank as a photographer for the school paper._x000D_
_x000D_
But in the thick of their search, the boys stumble upon an entire underground city thatu2019s been abandoned for years. Now the city is home to a cultish band of criminals who plan to take over Bayport. Frank and Joe are determined to catch the crooks . . . but after being barreled down by a boulder and nearly squashed by a runaway train, they have to wonder: Are they in over their heads?_x000D_ Download and start listening now!

Other Titles by Franklin W. Dixon:

About the Author

Franklin W. Dixon is the author of the ever-popular Hardy Boys books.

About the Narrator

Tim Gregory has been a professional on stage, screen, and television since graduating from DePaul University, where he earned his master of fine arts degree. His portfolio includes many notable acting, directing, and writing projects, including work at the Ford’s Theatre in Washington, DC, the Alliance Theatre in Atlanta, and Steppenwolf Theatre in Chicago. He is also the founding artistic director of Provision Theater in Chicago and can be seen on HGTV’s New Spaces.

[ShoppingCartItemsAddedOnMerge] audiobook(s) were left in your cart from a previous visit, and saved to your account for your convenience. You may view or remove these audiobooks on the shopping cart page.